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Ӻ Ŀ & ̽ α | ||||||
ۼ | 2017.10.24 | ȸ | 807 | |||
2017.10.24 | 2017.10.27 |
Ӻ Ŀ & ̽ α | ||||||
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09:0009:50 |
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- ȯ - ARM μ - ó (IRQ/FIQ/SVC ) - ó ̺ ʱȭ - ó ƾ ó - SWI ɾ ó - Ubutun ̹ - Cross Compiler ġ - minicom ġ - TFTP/NFS - Target |
ARM μ ȯ |
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- Linux Kernel ҽ ġ - Linux Kernel ȭ - Kernel ̹ - Ŀ м - Ŀ ʱȭ м - vmlinux.lds - stext() Լ - start_kernel() Լ |
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- Kernel ̹ - Ŀ м - Ŀ ʱȭ м - vmlinux.lds - stext() Լ - start_kernel() Լ |
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- start_kernel() Լ - system call - ý Լ ü - ó ڵ鷯 ̺ - ý Լ ̺ ȣ - ý Լ |
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- task_struct - ý (VFS) - ϰ Ŀ ü - ý ⺻ Լ - - . μ . |
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- ũ/ Ŀ - α . ۼ - ⺻ α - - α ̽ - ̽ ̹ . / ̹ |
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- Indoe ü - ̽ ̹ - ̽ ̹ - GPIO - ֿ GPIO - LED ̹ |
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- ¡ . ¡ . ¡ ̺ - - - mmap ̽ - GPIO 巹 . (Ŀ/ ) |
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ó : EDUC (ڻڿü)